Question # 1

Bundle caps in sunflower stem, are formed by

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Sclerenchyma

Parenchyma

Mesenchyma

Collenchyma

Primary succession may start in a dry soil or rock is called.

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Hydrosere

Xerosere

Derosere

Desert

Fruit ripening is due to the production of.

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Auxins

Cytokinin

Gibberellin

Ethane

A strand of DNA, which is not transcribed is called as.

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Template strand

Antisense strand

Lagging strand

coding strand

Digitigrade mammals tend to walk on thaeir

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Soles

Digits

Tips of the toes

Tips of the fingers

Animals excreting urea are called.

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Ammonotelic

Ureotelic

Uricotelic

Aminotelic

The joint that allows the movement in two directions is called.

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Cartilaginous joints

Hinge joints

Syrovial joints

Ball and Socket joints

The groups of ribosomes present in the cell body of the neuron, which are associated with nough endoplasmic reticulum are called:

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Meissner's corpusles

Pacinian corpucles

Nissl's gronules

Lysosome granules

In tropical and subtropical grassland rain reaches about

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1500 mm

2000 mm

2500 mm

3000 mm

Air is being polluted rapidly due to

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Industrialization

Automobiles

Sewage

Both a & b

Which one of the following would cause the hardy-weinberg principle to be inacurate?

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The size of the population is very large.

Individual mate with one another at random

Natural selection is present

There is no source of new copies of alleles from outside the population

Muscle present in the gut wall are

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Smooth

Skeletal

Cardiac

Voluntry

Chiasmata formation take place duirng.

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Leptotene

diakinesis

Diplotene

Pachytene

The electrical potencial of cell membrane of meuron when it is not transmission any signal is called ___________

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Resting membrane potencial

Action potencial

Propagation of impulse

Synapse

In cats the dominant allele W not only makes pure white but also causes

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Black spots

Brown spots

Deafness

Blindness

The type of Nastic movement ,which occurs in response to contact is called.

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Hyponastic

Photonasty

Nyctinasty

Thermonasty

In oceans especially in tropical regions temperature of surface water is about

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10^oC

15^oC

25^oC

35^oC

The hormones which promote boating of some roseate plants is known

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Auxins

Gibberellins

Ethene

Cytokinin

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